优化 .sepWidget扩展 去除隐藏组件

example/lib/extension/example_list_ext.dart

@@ -0,0 +1,61 @@
+import 'package:ansu_ui/extension/list_extension.dart';
+import 'package:example/codeviewer/code_segments.dart';
+import 'package:example/component/example_scaffold.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_screenutil/flutter_screenutil.dart';
+import 'package:velocity_x/velocity_x.dart';
+
+class ExampleListExt extends StatefulWidget {
+  const ExampleListExt({Key key}) : super(key: key);
+
+  @override
+  _ExampleListExtState createState() => _ExampleListExtState();
+}
+
+class _ExampleListExtState extends State<ExampleListExt> {
+  @override
+  Widget build(BuildContext context) {
+    return ExampleScaffold(
+        title: 'String Ext',
+        text: (context) => CodeSegments.stringExt(context),
+        children: [
+          Container(
+            color: Colors.blue,
+            child: Column(
+              children: [
+                Container(
+                  width: double.infinity,
+                  height: 50.w,
+                  color: Colors.red,
+                  child: Text('1'),
+                ),
+                Visibility(
+                  visible: true,
+                  child: Container(
+                    width: double.infinity,
+                    height: 50.w,
+                    color: Colors.red,
+                    child: Text('2'),
+                  ),
+                ),
+                Offstage(
+                  offstage: true,
+                  child: Container(
+                    width: double.infinity,
+                    height: 50.w,
+                    color: Colors.red,
+                    child: Text('2'),
+                  ),
+                ),
+                Container(
+                  width: double.infinity,
+                  height: 50.w,
+                  color: Colors.red,
+                  child: Text('3'),
+                ),
+              ].sepWidget(separate: 10.w.heightBox),
+            ),
+          ),
+        ]);
+  }
+}

example/lib/main_extention.dart

@@ -1,8 +1,9 @@
+import 'package:example/extension/example_list_ext.dart';
 import 'package:example/extension/example_num_ext.dart';
 import 'package:example/extension/example_string_ext.dart';
 import 'package:flutter/material.dart';
-import 'package:get/get.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
+import 'package:get/get.dart';
 
 class MainExtention extends StatefulWidget {
   MainExtention({Key key}) : super(key: key);
@@ -44,6 +45,11 @@ class _MainExtentionState extends State<MainExtention> {
           child: Text('String Ext'),
           icon: Icon(Icons.text_fields),
         ),
+        _innerButton(
+          onPressed: () => Get.to(ExampleListExt()),
+          child: Text('list Ext'),
+          icon: Icon(Icons.text_fields),
+        ),
       ],
     );
   }

lib/extension/list_extension.dart

@@ -1,9 +1,21 @@
-import 'package:flutter/material.dart';
 import 'package:ansu_ui/extension/num_extension.dart';
+import 'package:flutter/material.dart';
 
 extension SeparateExt on List<Widget> {
-  List<Widget> sepWidget({Widget? separate}) {
+  List<Widget> sepWidget({
+    Widget? separate,
+  }) {
     if (this.isEmpty) return [];
+    this.removeWhere((element) {
+      if (element.runtimeType == Offstage) {
+        return (element as Offstage).offstage;
+      }
+
+      if (element.runtimeType == Visibility) {
+        return (element as Visibility).visible;
+      }
+      return false;
+    });
     return List.generate(this.length * 2 - 1, (index) {
       if (index.isEven)
         return this[index ~/ 2];